Polarimetric passive millimeter-wave imagery from a sensor based on an optical up-conversion architecture

John P. Wilson; Christopher A. Schuetz; Thomas E. Dillon; Richard D. Martin; Dennis W. Prather

doi:10.1117/12.919425

8 May 2012 Polarimetric passive millimeter-wave imagery from a sensor based on an optical up-conversion architecture

John P. Wilson, Christopher A. Schuetz, Thomas E. Dillon, Richard D. Martin, Dennis W. Prather

Proceedings Volume 8362, Passive and Active Millimeter-Wave Imaging XV; 83620A (2012) https://doi.org/10.1117/12.919425
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

A passive millimeter-wave sensor based on optical up-conversion that is sensitive to the polarization state of incident radiation is described. This system up-converts incident millimeter-wave radiation to an optical frequency and then recreates the polarization state of the millimeter-wave radiation in the optical signal. A division of time approach is then used to extract the Stokes information from the signal using optical techniques. Results are shown which verify the feasibility of this approach and demonstrate the ability to control the phase of the signal to enable the measurement of Stokes information.

Citation Download Citation

John P. Wilson, Christopher A. Schuetz, Thomas E. Dillon, Richard D. Martin, and Dennis W. Prather "Polarimetric passive millimeter-wave imagery from a sensor based on an optical up-conversion architecture", Proc. SPIE 8362, Passive and Active Millimeter-Wave Imaging XV, 83620A (8 May 2012); https://doi.org/10.1117/12.919425

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